Härtungsmittel, bestehend aus oberflächenbeschichteten aromatischen Diaminen

摘要

By coating the surface of granular harmful aromatic diamine with an organic coating agent consisting of aromatic diamine having no variant-causing property, at least one member selected from glycols and a syntehtic resin having solubility parameter of 9.0 or higher, the aromatic diamine which is regarded as harmful can be handled safely without damaging its essential property as a hardening agent.